Locality in Continuous Fitness-Valued Cases and Genetic Programming Difficulty

Created by W.Langdon from gp-bibliography.bib Revision:1.8051

@InProceedings{Galvan:2012:evolve,

• author = "Edgar Galvan and Leonardo Trujillo and James McDermott and Ahmed Kattan",
• title = "Locality in Continuous Fitness-Valued Cases and Genetic Programming Difficulty",
• booktitle = "EVOLVE - A Bridge between Probability, Set Oriented Numerics, and Evolutionary Computation {II}",
• year = "2012",
• editor = "Oliver Schuetze and Carlos A. {Coello Coello} and Alexandru-Adrian Tantar and Emilia Tantar and Pascal Bouvry and Pierre {Del Moral} and Pierrick Legrand",
• volume = "175",
• series = "Advances in Intelligent Systems and Computing",
• pages = "41--56",
• address = "Mexico City, Mexico",
• month = aug # " 7-9",
• publisher = "Springer",
• keywords = "genetic algorithms, genetic programming",
• isbn13 = "978-3-642-31519-0",
• DOI = "doi:10.1007/978-3-642-31519-0_3",
• abstract = "It is commonly accepted that a mapping is local if it preserves neighbourhood. In Evolutionary Computation, locality is generally described as the property that neighbouring genotypes correspond to neighbouring phenotypes. Locality has been classified in one of two categories: high and low locality. It is said that a representation has high locality if most genotypic neighbours correspond to phenotypic neighbours. The opposite is true for a representation that has low locality. It is argued that a representation with high locality performs better in evolutionary search compared to a representation that has low locality. In this work, we explore, for the first time, a study on Genetic Programming (GP) locality in continuous fitness valued cases. For this, we extended the original definition of locality (first defined and used in Genetic Algorithms using bitstrings) from genotype-phenotype mapping to the genotype-fitness mapping. Then, we defined three possible variants of locality in GP regarding neighbourhood. The experimental tests presented here use a set of symbolic regression problems, two different encoding and two different mutation operators. We show how locality can be studied in this type of scenarios (continuous fitness-valued cases) and that locality can successfully been used as a performance prediction tool.",
• notes = "EVOLVE-2012",
• affiliation = "Distributed Systems Group, School of Computer Science and Statistics, Trinity College, Dublin, Ireland",

}

Genetic Programming entries for Edgar Galvan Lopez Leonardo Trujillo James McDermott Ahmed Kattan

Citations